Vacuum Reservoir: Testing and Inspection
INSPECTION1. Check that air flows from port A to port B.
2. Check that air does NOT flow from port B to port A.
3. Plug port B with your finger and apply 53.3 kPa (15.75 in Hg) of vacuum to port A, and check that there is no change in vacuum after one minute. If the operation is not as specified, replace the Vacuum Tank.